situation Ha A rigid bar, hinged at one end, is mpported by two identical springs. Each spring con eists as turns 4 12-mm wire' having a mear diameter H 150mm Fird the maximum thearing streer in the springc "ard the seHlement a the end 7 the beam. Use G-42G ard Eg. 3-9. 2.5M 2.Sm 2.5M B 1o kg
situation Ha A rigid bar, hinged at one end, is mpported by two identical springs. Each spring con eists as turns 4 12-mm wire' having a mear diameter H 150mm Fird the maximum thearing streer in the springc "ard the seHlement a the end 7 the beam. Use G-42G ard Eg. 3-9. 2.5M 2.Sm 2.5M B 1o kg
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter11: Columns
Section: Chapter Questions
Problem 11.2.4P: Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.
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Please help me with this one. You can use the 2nd photo as reference.
Subject: Strength of materials
Transcribed Image Text:sitnation Ha
A rigid bar, hinged at one
end, is empported by two
identical 'spnngs
spring concists ž as turns
4 12-mm wire' having a
mear diameter 4 150mm-
Fird the maximum
thearing streer in the
springe "ard the
setlement a the end
4 the beam. Use G=42GR
ard Eg. 8-9.
Each
2.5M
2.Sm 2.5mB
10 kg
HWWWW
Transcribed Image Text:Sample Protlems
Helical Springs
#I- Compute the maximum shearing fress
deve loped ir a
having
Consi sting 4 a4 turns 4'0-mm diam eter
mire when' the spring is ffretched 100mm.
Use equation
Given:
R= 160mm ; d= aomm; n= 34 turns; 8=10omm
G=42 G Pa
9. phosphor brn'te spring
mean diameter H 200 mm 'ard
3-18 ard G- 42 G Pa .
Reqid.:
Solutin:
Ymax
16 PR
1ds (4m-4
フ。
340
Gd4
where: m= 2R
%3D
l00= 64P (o0)
42(10)(20)4
3D10
%3D
P= 437.500N
16(437.5)100(40)-1 , 0.615
8 max
(4010)-4
10
Onax = 3/. 886 MPa
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